During his lifetime, Weidemann's works were shown at Bergen International Festival twice, and was featured at the Venice Biennale in 1967.
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Weidemann was also commissioned for a number of permanent installations, such as the stained glass in the basilica in Steinkjer, Steinkjer Church (1965), Mai inside the concert hall at Maihaugen in Lillehammer (1967), Alf Bjerckes Fabrikker in Alnabru (1960); Norsk Hydro’s headquarters building in Oslo (1960–1961), Alfaset Chapel in Oslo (1971) and the M/S Royal Viking Sea (1973).
Friedrich Gustav Jakob Henle | St. Jakob-Park | Jakob Böhme | Philipp Jakob Cretzschmar | Johann Jakob Engel | Jakob Michael Reinhold Lenz | Johann Jakob Reiske | Jakob von Uexküll | Jakob Nielsen (usability consultant) | Jakob Nielsen | Jakob Heine | Jakob Altaras | Emil Jakob Schindler | Johann Jakob Kaup | Jakob Steiner | Jakob Sporrenberg | Jakob Friedrich Fries | Jakob Erhardt | Jakob Bogdani | Hans Jakob Christoffel von Grimmelshausen | Carl Jakob Adolf Christian Gerhardt | Walter Jakob Gehring | Sankt Jakob in Defereggen | Rudolf Jakob Camerarius | portrait of Jakob Muffel | Johann Jakob von Tschudi | Johann Jakob Moser | Johann Jakob Haid | Johann Jakob Bethmann | Johann Jakob Bachofen |